Stories from the gateway
Cost & Pricing
The Token Cost of Long Context: When 1M Is Worth Filling
A million-token window makes enormous prompts possible, not advisable. What filling it costs across model tiers, and when retrieval wins instead.
· 8 min read
Cost & Pricing
The Token Cost of Reasoning Models: Paying for Hidden Output
Reasoning models emit tokens you never see and are billed for at output rates. How much that adds, and when the accuracy is worth it.
· 8 min read
Cost & Pricing
The Token Cost of Tool Calls: Definitions Bill Every Turn
· 8 min read
Models
The Z.ai GLM Family Explained: What GLM-5.2 Changes
· 9 min read
Fundamentals
Throughput vs Latency: The Trade-off Behind Your Bill
· 9 min read
Fundamentals
Time to First Token: What It Measures and What Moves It
· 9 min read
Guides
Timeout Tuning for LLM Calls: Picking Numbers That Hold
· 9 min readFundamentals
Token Costs by Language: Why the Same Text Bills Differently
· 9 min read
Fundamentals
Tokenizer Differences: Why the Same Text Costs Different Amounts
· 8 min read
Fundamentals
Tokens Per Second Explained: Reading the Number Correctly
· 9 min read
AI Agents
Tool Call Retries: Retry the Transport, Not the Judgement
· 8 min readAI Agents
Tool Result Formatting: Shaping What the Model Reads Back
· 8 min read
AI Agents
Tool Schema Design: The Prompt You Forgot You Were Writing
· 8 min read
Fundamentals
Top-K Sampling Explained, and Why Top-P Replaced It
· 8 min readReady to start?
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